2 sentences

1. 面对危险，他毫不犹豫地冲了上去。

   miàn​duì wēi​xiǎn, tā háo​bù​yóu​yù de chōng le shàng​qù.

   Facing danger, he rushed forward without the slightest hesitation.

   Source: Dong Chinese Dictionary

2. 面对熊熊大火，这位勇士毫不犹豫地冲进屋里救人。

   miàn​duì xióng​xióng​dà​huǒ, zhè wèi yǒng​shì háo​bù​yóu​yù de chōng​jìn wū​li jiù​rén.

   Facing the raging fire, the brave man rushed into the house to save people without hesitation.

   Source: Dong Chinese Dictionary